Be even more defensive about half valid items in hover events

While they aren't particularly useful or intended, they were valid

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/rewriter/ComponentRewriter1_20_5.java

@@ -194,19 +194,16 @@ public class ComponentRewriter1_20_5 extends ComponentRewriter<ClientboundPacket
                 return;
             }
 
-            final int itemId = Protocol1_20_5To1_20_3.MAPPINGS.getFullItemMappings().id(idTag.getValue());
+            int itemId = Protocol1_20_5To1_20_3.MAPPINGS.getFullItemMappings().id(idTag.getValue());
             if (itemId == -1) {
-                return;
+                // Default to stone (anything that is not air)
+                itemId = 1;
             }
 
             final StringTag tag = contentsTag.remove("tag");
-            if (tag == null) {
-                return;
-            }
-
             final CompoundTag tagTag;
             try {
-                tagTag = (CompoundTag) SerializerVersion.V1_20_3.toTag(tag.getValue());
+                tagTag = tag != null ? (CompoundTag) SerializerVersion.V1_20_3.toTag(tag.getValue()) : null;
             } catch (final Exception e) {
                 if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
                     Via.getPlatform().getLogger().log(Level.WARNING, "Error reading 1.20.3 NBT in show_item: " + contentsTag, e);
@@ -214,19 +211,20 @@ public class ComponentRewriter1_20_5 extends ComponentRewriter<ClientboundPacket
                 return;
             }
 
-            final Item oldItem = new DataItem();
-            oldItem.setIdentifier(itemId);
+            final Item dataItem = new DataItem();
+            dataItem.setIdentifier(itemId);
             if (tagTag != null) { // We don't need to remap data if there is none
-                oldItem.setTag(tagTag);
+                dataItem.setTag(tagTag);
             }
 
-            final Item newItem = protocol.getItemRewriter().handleItemToClient(connection, oldItem);
-            if (newItem == null) {
-                return;
+            final Item structuredItem = protocol.getItemRewriter().handleItemToClient(connection, dataItem);
+            if (structuredItem.amount() < 1) {
+                // Cannot be empty
+                structuredItem.setAmount(1);
             }
 
-            if (newItem.identifier() != 0) {
-                final String itemName = Protocol1_20_5To1_20_3.MAPPINGS.getFullItemMappings().mappedIdentifier(newItem.identifier());
+            if (structuredItem.identifier() != 0) {
+                final String itemName = Protocol1_20_5To1_20_3.MAPPINGS.getFullItemMappings().mappedIdentifier(structuredItem.identifier());
                 if (itemName != null) {
                     contentsTag.putString("id", itemName);
                 }
@@ -235,7 +233,7 @@ public class ComponentRewriter1_20_5 extends ComponentRewriter<ClientboundPacket
                 contentsTag.putString("id", "minecraft:stone");
             }
 
-            final Map<StructuredDataKey<?>, StructuredData<?>> data = newItem.structuredData().data();
+            final Map<StructuredDataKey<?>, StructuredData<?>> data = structuredItem.structuredData().data();
             if (!data.isEmpty()) {
                 final CompoundTag components;
                 try {

gradle.properties

@@ -1,5 +1,5 @@
 # Project properties - we put these here so they can be modified without causing a recompile of the build scripts
-projectVersion=4.10.0
+projectVersion=4.10.1-SNAPSHOT
 
 # Smile emoji
 mcVersions=1.20.5,1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2, 1.18.1, 1.18, 1.17.1, 1.17, 1.16.5, 1.16.4, 1.16.3, 1.16.2, 1.16.1, 1.16, 1.15.2, 1.15.1, 1.15, 1.14.4, 1.14.3, 1.14.2, 1.14.1, 1.14, 1.13.2, 1.13.1, 1.13, 1.12.2, 1.12.1, 1.12, 1.11.2, 1.11.1, 1.11, 1.10.2, 1.10.1, 1.10, 1.9.4, 1.9.3, 1.9.2, 1.9.1, 1.9, 1.8.9